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<div class="header">
  <div class="headertitle"><div class="title">fftools_sync_queue.c</div></div>
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<a href="../../df/dbb/fftools__sync__queue_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * This file is part of FFmpeg.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> * Copyright (c) 2023 ARTHENICA LTD</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * License as published by the Free Software Foundation; either</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> *</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> */</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment">/*</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> * This file is the modified version of sync_queue.c file living in ffmpeg source code under the fftools folder. We</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * manually update it each time we depend on a new ffmpeg version. Below you can see the list of changes applied</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * by us to develop ffmpeg-kit library.</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> *</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment"> * ffmpeg-kit changes by ARTHENICA LTD</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment"> *</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment"> * 07.2023</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment"> * --------------------------------------------------------</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment"> * - FFmpeg 6.0 changes migrated</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment"> * - fftools header names updated</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment"> */</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#include &lt;stdint.h&gt;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">#include &quot;libavutil/avassert.h&quot;</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="preprocessor">#include &quot;libavutil/error.h&quot;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="preprocessor">#include &quot;libavutil/fifo.h&quot;</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="preprocessor">#include &quot;libavutil/mathematics.h&quot;</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">#include &quot;libavutil/mem.h&quot;</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="preprocessor">#include &quot;<a class="code" href="../../d5/df5/fftools__objpool_8h.html">fftools_objpool.h</a>&quot;</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="preprocessor">#include &quot;<a class="code" href="../../d6/d35/fftools__sync__queue_8h.html">fftools_sync_queue.h</a>&quot;</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html">   45</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> {</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">   46</a></span>    AVFifo          *<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">   47</a></span>    AVRational       <a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span>    <span class="comment">/* stream head: largest timestamp seen */</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">   50</a></span>    int64_t          <a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">   51</a></span>    <span class="keywordtype">int</span>              <a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">limiting</a>;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>    <span class="comment">/* no more frames will be sent for this stream */</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">   53</a></span>    <span class="keywordtype">int</span>              <a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a>;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#ab20fc7999548152df14069363152e431">   55</a></span>    uint64_t         <a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ab20fc7999548152df14069363152e431">frames_sent</a>;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e">   56</a></span>    uint64_t         <a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e">frames_max</a>;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a391df52580e6c7620235f5f537793407">   57</a></span>} <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a>;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html">   59</a></span><span class="keyword">struct </span><a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> {</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9">   60</a></span>    <span class="keyword">enum</span> <a class="code hl_enumeration" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3">SyncQueueType</a> <a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9">type</a>;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span> </div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>    <span class="comment">/* no more frames will be sent for any stream */</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#a5733f48b0ec4a03e3de1a8029bdd44ed">   63</a></span>    <span class="keywordtype">int</span> <a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a5733f48b0ec4a03e3de1a8029bdd44ed">finished</a>;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>    <span class="comment">/* sync head: the stream with the _smallest_ head timestamp</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment">     * this stream determines which frames can be output */</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">   66</a></span>    <span class="keywordtype">int</span> <a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a>;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>    <span class="comment">/* the finished stream with the smallest finish timestamp or -1 */</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">   68</a></span>    <span class="keywordtype">int</span> <a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a>;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>    <span class="comment">// maximum buffering duration in microseconds</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#ac4cb296973a28d7e2625724cddc42667">   71</a></span>    int64_t <a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#ac4cb296973a28d7e2625724cddc42667">buf_size_us</a>;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">   73</a></span>    <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">   74</a></span>    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>  <a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>    <span class="comment">// pool of preallocated frames to avoid constant allocations</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">   77</a></span>    <a class="code hl_struct" href="../../d4/d62/struct_obj_pool.html">ObjPool</a> *<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>};</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#aaddc370144314c88f397d65246fa13c1">   80</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aaddc370144314c88f397d65246fa13c1">frame_move</a>(<span class="keyword">const</span> <a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> dst,</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>                       <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> src)</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>{</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>    <span class="keywordflow">if</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9">type</a> == <a class="code hl_enumvalue" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3a69345b74224b95dc2ec281949375055d">SYNC_QUEUE_PACKETS</a>)</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>        av_packet_move_ref(dst.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#adddf0753b505502215ea450eb58b807e">p</a>, src.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#adddf0753b505502215ea450eb58b807e">p</a>);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>        av_frame_move_ref(dst.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#a760fa08c314c05cb7455db8eb3823eb8">f</a>, src.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#a760fa08c314c05cb7455db8eb3823eb8">f</a>);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>}</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a251ece02811fb8bd6385fbec33b6a8b4">   89</a></span><span class="keyword">static</span> int64_t <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a251ece02811fb8bd6385fbec33b6a8b4">frame_ts</a>(<span class="keyword">const</span> <a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>{</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>    <span class="keywordflow">return</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9">type</a> == <a class="code hl_enumvalue" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3a69345b74224b95dc2ec281949375055d">SYNC_QUEUE_PACKETS</a>) ?</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>           frame.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#adddf0753b505502215ea450eb58b807e">p</a>-&gt;pts + frame.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#adddf0753b505502215ea450eb58b807e">p</a>-&gt;duration :</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>           frame.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#a760fa08c314c05cb7455db8eb3823eb8">f</a>-&gt;pts + frame.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#a760fa08c314c05cb7455db8eb3823eb8">f</a>-&gt;duration;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>}</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a870f9c9e4d1ac364766fc8a2c732484f">   96</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a870f9c9e4d1ac364766fc8a2c732484f">frame_null</a>(<span class="keyword">const</span> <a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>{</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>    <span class="keywordflow">return</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9">type</a> == <a class="code hl_enumvalue" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3a69345b74224b95dc2ec281949375055d">SYNC_QUEUE_PACKETS</a>) ? (frame.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#adddf0753b505502215ea450eb58b807e">p</a> == NULL) : (frame.<a class="code hl_variable" href="../../dc/df8/union_sync_queue_frame.html#a760fa08c314c05cb7455db8eb3823eb8">f</a> == NULL);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>}</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span> </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">  101</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">finish_stream</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> stream_idx)</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>{</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>    st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a> = 1;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>    <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">limiting</a> &amp;&amp; st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE) {</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>        <span class="comment">/* check if this stream is the new finished head */</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>        <span class="keywordflow">if</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a> &lt; 0 ||</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>            av_compare_ts(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>,</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>                          sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a>].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>,</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>                          sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a>].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>) &lt; 0) {</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>            sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a> = stream_idx;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>        }</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>        <span class="comment">/* mark as finished all streams that should no longer receive new frames,</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment">         * due to them being ahead of some finished stream */</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>        st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a>];</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>        <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>            <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st1 = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i];</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>            <span class="keywordflow">if</span> (st != st1 &amp;&amp; st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE &amp;&amp;</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>                av_compare_ts(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>, st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>) &lt;= 0)</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>                st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a> = 1;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>        }</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>    }</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>    <span class="comment">/* mark the whole queue as finished if all streams are finished */</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>    <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>        <span class="keywordflow">if</span> (!sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a>)</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>            <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>    }</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>    sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a5733f48b0ec4a03e3de1a8029bdd44ed">finished</a> = 1;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>}</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a4238cc98be178d1a35af01d3c21997c9">  135</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a4238cc98be178d1a35af01d3c21997c9">queue_head_update</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq)</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>{</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>    <span class="keywordflow">if</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a> &lt; 0) {</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>        <span class="comment">/* wait for one timestamp in each stream before determining</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment">         * the queue head */</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>        <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>            <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i];</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>            <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">limiting</a> &amp;&amp; st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> == AV_NOPTS_VALUE)</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>                <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>        }</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span> </div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>        <span class="comment">// placeholder value, correct one will be found below</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>        sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a> = 0;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span>    }</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>    <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>        <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st_head  = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a>];</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>        <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st_other = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i];</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>        <span class="keywordflow">if</span> (st_other-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">limiting</a> &amp;&amp; st_other-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE &amp;&amp;</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>            av_compare_ts(st_other-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st_other-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>,</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>                          st_head-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>,  st_head-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>) &lt; 0)</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>            sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a> = i;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>    }</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>}</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="comment">/* update this stream&#39;s head timestamp */</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a808ad6ed0fb0d7f2e0e145a50376f470">  161</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a808ad6ed0fb0d7f2e0e145a50376f470">stream_update_ts</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> stream_idx, int64_t ts)</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>{</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>    <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>    <span class="keywordflow">if</span> (ts == AV_NOPTS_VALUE ||</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>        (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE &amp;&amp; st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> &gt;= ts))</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>        <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>    st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> = ts;</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span> </div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>    <span class="comment">/* if this stream is now ahead of some finished stream, then</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span><span class="comment">     * this stream is also finished */</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>    <span class="keywordflow">if</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a> &gt;= 0 &amp;&amp;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>        av_compare_ts(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a>].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>,</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>                      sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a>].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>,</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>                      ts, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>) &lt;= 0)</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>        <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">finish_stream</a>(sq, stream_idx);</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>    <span class="comment">/* update the overall head timestamp if it could have changed */</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>    <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">limiting</a> &amp;&amp;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>        (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a> &lt; 0 || sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a> == stream_idx))</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>        <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a4238cc98be178d1a35af01d3c21997c9">queue_head_update</a>(sq);</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>}</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span> </div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span><span class="comment">/* If the queue for the given stream (or all streams when stream_idx=-1)</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span><span class="comment"> * is overflowing, trigger a fake heartbeat on lagging streams.</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span><span class="comment"> *</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="comment"> * @return 1 if heartbeat triggered, 0 otherwise</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span><span class="comment"> */</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#aa8de62308b26e4fdd23116f298d7f28d">  190</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aa8de62308b26e4fdd23116f298d7f28d">overflow_heartbeat</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">int</span> stream_idx)</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>{</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>    <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>    <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame;</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>    int64_t tail_ts = AV_NOPTS_VALUE;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span> </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>    <span class="comment">/* if no stream specified, pick the one that is most ahead */</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>    <span class="keywordflow">if</span> (stream_idx &lt; 0) {</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>        int64_t ts = AV_NOPTS_VALUE;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span> </div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>            st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i];</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>            <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE &amp;&amp;</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>                (ts == AV_NOPTS_VALUE ||</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>                 av_compare_ts(ts, sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>,</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>                               st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>) &lt; 0)) {</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span>                ts = st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>;</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>                stream_idx = i;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>            }</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>        }</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>        <span class="comment">/* no stream has a timestamp yet -&gt; nothing to do */</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>        <span class="keywordflow">if</span> (stream_idx &lt; 0)</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>    }</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>    st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span> </div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>    <span class="comment">/* get the chosen stream&#39;s tail timestamp */</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>    <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; tail_ts == AV_NOPTS_VALUE &amp;&amp;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>                       av_fifo_peek(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>, &amp;frame, 1, i) &gt;= 0; i++)</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>        tail_ts = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a251ece02811fb8bd6385fbec33b6a8b4">frame_ts</a>(sq, frame);</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span> </div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>    <span class="comment">/* overflow triggers when the tail is over specified duration behind the head */</span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>    <span class="keywordflow">if</span> (tail_ts == AV_NOPTS_VALUE || tail_ts &gt;= st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> ||</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>        av_rescale_q(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> - tail_ts, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>, AV_TIME_BASE_Q) &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#ac4cb296973a28d7e2625724cddc42667">buf_size_us</a>)</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span> </div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>    <span class="comment">/* signal a fake timestamp for all streams that prevent tail_ts from being output */</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>    tail_ts++;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>    <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>        <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st1 = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i];</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>        int64_t ts;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span> </div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span>        <span class="keywordflow">if</span> (st == st1 || st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a> ||</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>            (st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE &amp;&amp;</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>             av_compare_ts(tail_ts, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>, st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>) &lt;= 0))</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>            <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span> </div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>        ts = av_rescale_q(tail_ts, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>, st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>);</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>        <span class="keywordflow">if</span> (st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE)</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>            ts = FFMAX(st1-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> + 1, ts);</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>        <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a808ad6ed0fb0d7f2e0e145a50376f470">stream_update_ts</a>(sq, i, ts);</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>    }</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span> </div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>    <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>}</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span> </div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a5f497d719d4fcd96a015b9994e831fbd">  248</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a5f497d719d4fcd96a015b9994e831fbd">sq_send</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> stream_idx, <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>{</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>    <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st;</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>    <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> dst;</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>    int64_t ts;</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>    <span class="keywordtype">int</span> ret;</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span> </div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>    av_assert0(stream_idx &lt; sq-&gt;<a class="code hl_variable" href="../../d8/d78/fftools__ffprobe_8c.html#abad15c2aaf9c54ccddd8d8abf6bed069">nb_streams</a>);</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>    st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span> </div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>    av_assert0(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>.num &gt; 0 &amp;&amp; st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>.den &gt; 0);</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span> </div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>    <span class="keywordflow">if</span> (<a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a870f9c9e4d1ac364766fc8a2c732484f">frame_null</a>(sq, frame)) {</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>        <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">finish_stream</a>(sq, stream_idx);</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>    }</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span>    <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a>)</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>        <span class="keywordflow">return</span> AVERROR_EOF;</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span> </div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>    ret = <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#ac1d7df6827c7b36c79c17a660a96c7f2">objpool_get</a>(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>, (<span class="keywordtype">void</span>**)&amp;dst);</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>    <span class="keywordflow">if</span> (ret &lt; 0)</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>        <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>    <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aaddc370144314c88f397d65246fa13c1">frame_move</a>(sq, dst, frame);</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span> </div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>    ts = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a251ece02811fb8bd6385fbec33b6a8b4">frame_ts</a>(sq, dst);</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span> </div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>    ret = av_fifo_write(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>, &amp;dst, 1);</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>    <span class="keywordflow">if</span> (ret &lt; 0) {</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>        <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aaddc370144314c88f397d65246fa13c1">frame_move</a>(sq, frame, dst);</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>        <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#a4da002d4bc3bf48ba22633a96d20bb88">objpool_release</a>(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>, (<span class="keywordtype">void</span>**)&amp;dst);</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>        <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>    }</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span> </div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>    <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a808ad6ed0fb0d7f2e0e145a50376f470">stream_update_ts</a>(sq, stream_idx, ts);</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span> </div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>    st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ab20fc7999548152df14069363152e431">frames_sent</a>++;</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>    <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ab20fc7999548152df14069363152e431">frames_sent</a> &gt;= st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e">frames_max</a>)</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>        <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">finish_stream</a>(sq, stream_idx);</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span> </div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>}</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span> </div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a6dec025ee79d08646d778de51776e1c0">  291</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a6dec025ee79d08646d778de51776e1c0">receive_for_stream</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> stream_idx,</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>                              <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>{</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>    <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st_head = sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a> &gt;= 0 ?</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>                               &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a>] : NULL;</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>    <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st;</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span> </div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>    av_assert0(stream_idx &lt; sq-&gt;<a class="code hl_variable" href="../../d8/d78/fftools__ffprobe_8c.html#abad15c2aaf9c54ccddd8d8abf6bed069">nb_streams</a>);</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>    st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span> </div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>    <span class="keywordflow">if</span> (av_fifo_can_read(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>)) {</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>        <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> peek;</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>        int64_t ts;</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>        <span class="keywordtype">int</span> cmp = 1;</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span> </div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>        av_fifo_peek(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>, &amp;peek, 1, 0);</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>        ts = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a251ece02811fb8bd6385fbec33b6a8b4">frame_ts</a>(sq, peek);</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span> </div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>        <span class="comment">/* check if this stream&#39;s tail timestamp does not overtake</span></div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span><span class="comment">         * the overall queue head */</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>        <span class="keywordflow">if</span> (ts != AV_NOPTS_VALUE &amp;&amp; st_head)</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span>            cmp = av_compare_ts(ts, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>, st_head-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st_head-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>);</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span> </div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span>        <span class="comment">/* We can release frames that do not end after the queue head.</span></div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span><span class="comment">         * Frames with no timestamps are just passed through with no conditions.</span></div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span><span class="comment">         */</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>        <span class="keywordflow">if</span> (cmp &lt;= 0 || ts == AV_NOPTS_VALUE) {</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>            <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aaddc370144314c88f397d65246fa13c1">frame_move</a>(sq, frame, peek);</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>            <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#a4da002d4bc3bf48ba22633a96d20bb88">objpool_release</a>(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>, (<span class="keywordtype">void</span>**)&amp;peek);</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>            av_fifo_drain2(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>, 1);</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>        }</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>    }</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span> </div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>    <span class="keywordflow">return</span> (sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a5733f48b0ec4a03e3de1a8029bdd44ed">finished</a> || (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">finished</a> &amp;&amp; !av_fifo_can_read(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>))) ?</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>            AVERROR_EOF : AVERROR(EAGAIN);</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>}</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span> </div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#ab4d019feeae8c6a3ce393901185e7707">  329</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#ab4d019feeae8c6a3ce393901185e7707">receive_internal</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">int</span> stream_idx, <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>{</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>    <span class="keywordtype">int</span> nb_eof = 0;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>    <span class="keywordtype">int</span> ret;</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span> </div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>    <span class="comment">/* read a frame for a specific stream */</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>    <span class="keywordflow">if</span> (stream_idx &gt;= 0) {</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span>        ret = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a6dec025ee79d08646d778de51776e1c0">receive_for_stream</a>(sq, stream_idx, frame);</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span>        <span class="keywordflow">return</span> (ret &lt; 0) ? ret : stream_idx;</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>    }</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span> </div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>    <span class="comment">/* read a frame for any stream with available output */</span></div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>    <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>        ret = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a6dec025ee79d08646d778de51776e1c0">receive_for_stream</a>(sq, i, frame);</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>        <span class="keywordflow">if</span> (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) {</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>            nb_eof += (ret == AVERROR_EOF);</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>            <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span>        }</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>        <span class="keywordflow">return</span> (ret &lt; 0) ? ret : i;</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span>    }</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span> </div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span>    <span class="keywordflow">return</span> (nb_eof == sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>) ? AVERROR_EOF : AVERROR(EAGAIN);</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span>}</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span> </div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#aa6ea9cdf83d4914aa1dc8efaaac2a732">  353</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aa6ea9cdf83d4914aa1dc8efaaac2a732">sq_receive</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">int</span> stream_idx, <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame)</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>{</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span>    <span class="keywordtype">int</span> ret = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#ab4d019feeae8c6a3ce393901185e7707">receive_internal</a>(sq, stream_idx, frame);</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span> </div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>    <span class="comment">/* try again if the queue overflowed and triggered a fake heartbeat</span></div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span><span class="comment">     * for lagging streams */</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>    <span class="keywordflow">if</span> (ret == AVERROR(EAGAIN) &amp;&amp; <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#aa8de62308b26e4fdd23116f298d7f28d">overflow_heartbeat</a>(sq, stream_idx))</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span>        ret = <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#ab4d019feeae8c6a3ce393901185e7707">receive_internal</a>(sq, stream_idx, frame);</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span> </div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>    <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>}</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span> </div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#ae3e36c041fbe68938e84e9b59d7d7c46">  365</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#ae3e36c041fbe68938e84e9b59d7d7c46">sq_add_stream</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">int</span> limiting)</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>{</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span>    <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *tmp, *st;</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span> </div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span>    tmp = av_realloc_array(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>, sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a> + 1, <span class="keyword">sizeof</span>(*sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>));</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span>    <span class="keywordflow">if</span> (!tmp)</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span>        <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>    sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a> = tmp;</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span> </div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>    st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>];</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>    memset(st, 0, <span class="keyword">sizeof</span>(*st));</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span> </div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>    st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a> = av_fifo_alloc2(1, <span class="keyword">sizeof</span>(<a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a>), AV_FIFO_FLAG_AUTO_GROW);</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span>    <span class="keywordflow">if</span> (!st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>)</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span>        <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span> </div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span>    <span class="comment">/* we set a valid default, so that a pathological stream that never</span></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span><span class="comment">     * receives even a real timebase (and no frames) won&#39;t stall all other</span></div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span><span class="comment">     * streams forever; cf. overflow_heartbeat() */</span></div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span>    st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>      = (AVRational){ 1, 1 };</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span>    st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> = AV_NOPTS_VALUE;</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span>    st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e">frames_max</a> = UINT64_MAX;</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span>    st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">limiting</a>   = limiting;</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span> </div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span>    <span class="keywordflow">return</span> sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>++;</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span>}</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span> </div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a722fd660cd1b213727e18cbf40dff35b">  392</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a722fd660cd1b213727e18cbf40dff35b">sq_set_tb</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> stream_idx, AVRational tb)</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span>{</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span>    <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st;</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span> </div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>    av_assert0(stream_idx &lt; sq-&gt;<a class="code hl_variable" href="../../d8/d78/fftools__ffprobe_8c.html#abad15c2aaf9c54ccddd8d8abf6bed069">nb_streams</a>);</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span>    st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span> </div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span>    av_assert0(!av_fifo_can_read(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>));</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span> </div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span>    <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> != AV_NOPTS_VALUE)</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span>        st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a> = av_rescale_q(st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">head_ts</a>, st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a>, tb);</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span> </div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span>    st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">tb</a> = tb;</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>}</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span> </div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a94edf016e07e0f259e4b515d1f8fea57">  407</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a94edf016e07e0f259e4b515d1f8fea57">sq_limit_frames</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> stream_idx, uint64_t frames)</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span>{</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span>    <a class="code hl_struct" href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a> *st;</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span> </div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span>    av_assert0(stream_idx &lt; sq-&gt;<a class="code hl_variable" href="../../d8/d78/fftools__ffprobe_8c.html#abad15c2aaf9c54ccddd8d8abf6bed069">nb_streams</a>);</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span>    st = &amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[stream_idx];</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span> </div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span>    st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e">frames_max</a> = frames;</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span>    <span class="keywordflow">if</span> (st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ab20fc7999548152df14069363152e431">frames_sent</a> &gt;= st-&gt;<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e">frames_max</a>)</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span>        <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">finish_stream</a>(sq, stream_idx);</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span>}</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span> </div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#a3ebd18ffff189c6c8e0a3b0f857d8d74">  419</a></span><a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *<a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#a3ebd18ffff189c6c8e0a3b0f857d8d74">sq_alloc</a>(<span class="keyword">enum</span> <a class="code hl_enumeration" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3">SyncQueueType</a> type, int64_t buf_size_us)</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span>{</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span>    <a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq = av_mallocz(<span class="keyword">sizeof</span>(*sq));</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span> </div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span>    <span class="keywordflow">if</span> (!sq)</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span> </div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span>    sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9">type</a>                 = type;</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span>    sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#ac4cb296973a28d7e2625724cddc42667">buf_size_us</a>          = buf_size_us;</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span> </div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span>    sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">head_stream</a>          = -1;</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span>    sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">head_finished_stream</a> = -1;</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span> </div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span>    sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a> = (type == <a class="code hl_enumvalue" href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3a69345b74224b95dc2ec281949375055d">SYNC_QUEUE_PACKETS</a>) ? <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#a11bd14295b9fa65567206b9848f54234">objpool_alloc_packets</a>() :</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span>                                              <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#a3d2cc90dad36a8b49533bbc1f30b0c3d">objpool_alloc_frames</a>();</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span>    <span class="keywordflow">if</span> (!sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>) {</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>        av_freep(&amp;sq);</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span>    }</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span> </div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span>    <span class="keywordflow">return</span> sq;</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>}</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span> </div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"><a class="line" href="../../df/dbb/fftools__sync__queue_8c.html#acb4c2cb240da2d2880de0e2286c8ee5a">  442</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../df/dbb/fftools__sync__queue_8c.html#acb4c2cb240da2d2880de0e2286c8ee5a">sq_free</a>(<a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> **psq)</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span>{</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>    <a class="code hl_struct" href="../../d9/d28/struct_sync_queue.html">SyncQueue</a> *sq = *psq;</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span> </div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>    <span class="keywordflow">if</span> (!sq)</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>        <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span> </div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span>    <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">nb_streams</a>; i++) {</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span>        <a class="code hl_union" href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a> frame;</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span>        <span class="keywordflow">while</span> (av_fifo_read(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>, &amp;frame, 1) &gt;= 0)</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>            <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#a4da002d4bc3bf48ba22633a96d20bb88">objpool_release</a>(sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>, (<span class="keywordtype">void</span>**)&amp;frame);</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span> </div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>        av_fifo_freep2(&amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>[i].<a class="code hl_variable" href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">fifo</a>);</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span>    }</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span> </div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>    av_freep(&amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">streams</a>);</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span> </div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span>    <a class="code hl_function" href="../../d7/dd8/fftools__objpool_8c.html#a8f520e6bdb0261648153ff389ca2d82c">objpool_free</a>(&amp;sq-&gt;<a class="code hl_variable" href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">pool</a>);</div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span> </div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span>    av_freep(psq);</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span>}</div>
<div class="ttc" id="afftools__ffprobe_8c_html_abad15c2aaf9c54ccddd8d8abf6bed069"><div class="ttname"><a href="../../d8/d78/fftools__ffprobe_8c.html#abad15c2aaf9c54ccddd8d8abf6bed069">nb_streams</a></div><div class="ttdeci">__thread int nb_streams</div><div class="ttdef"><b>Definition</b> <a href="../../d8/d78/fftools__ffprobe_8c_source.html#l00336">fftools_ffprobe.c:336</a></div></div>
<div class="ttc" id="afftools__objpool_8c_html_a11bd14295b9fa65567206b9848f54234"><div class="ttname"><a href="../../d7/dd8/fftools__objpool_8c.html#a11bd14295b9fa65567206b9848f54234">objpool_alloc_packets</a></div><div class="ttdeci">ObjPool * objpool_alloc_packets(void)</div><div class="ttdef"><b>Definition</b> <a href="../../d7/dd8/fftools__objpool_8c_source.html#l00138">fftools_objpool.c:138</a></div></div>
<div class="ttc" id="afftools__objpool_8c_html_a3d2cc90dad36a8b49533bbc1f30b0c3d"><div class="ttname"><a href="../../d7/dd8/fftools__objpool_8c.html#a3d2cc90dad36a8b49533bbc1f30b0c3d">objpool_alloc_frames</a></div><div class="ttdeci">ObjPool * objpool_alloc_frames(void)</div><div class="ttdef"><b>Definition</b> <a href="../../d7/dd8/fftools__objpool_8c_source.html#l00142">fftools_objpool.c:142</a></div></div>
<div class="ttc" id="afftools__objpool_8c_html_a4da002d4bc3bf48ba22633a96d20bb88"><div class="ttname"><a href="../../d7/dd8/fftools__objpool_8c.html#a4da002d4bc3bf48ba22633a96d20bb88">objpool_release</a></div><div class="ttdeci">void objpool_release(ObjPool *op, void **obj)</div><div class="ttdef"><b>Definition</b> <a href="../../d7/dd8/fftools__objpool_8c_source.html#l00092">fftools_objpool.c:92</a></div></div>
<div class="ttc" id="afftools__objpool_8c_html_a8f520e6bdb0261648153ff389ca2d82c"><div class="ttname"><a href="../../d7/dd8/fftools__objpool_8c.html#a8f520e6bdb0261648153ff389ca2d82c">objpool_free</a></div><div class="ttdeci">void objpool_free(ObjPool **pop)</div><div class="ttdef"><b>Definition</b> <a href="../../d7/dd8/fftools__objpool_8c_source.html#l00068">fftools_objpool.c:68</a></div></div>
<div class="ttc" id="afftools__objpool_8c_html_ac1d7df6827c7b36c79c17a660a96c7f2"><div class="ttname"><a href="../../d7/dd8/fftools__objpool_8c.html#ac1d7df6827c7b36c79c17a660a96c7f2">objpool_get</a></div><div class="ttdeci">int objpool_get(ObjPool *op, void **obj)</div><div class="ttdef"><b>Definition</b> <a href="../../d7/dd8/fftools__objpool_8c_source.html#l00081">fftools_objpool.c:81</a></div></div>
<div class="ttc" id="afftools__objpool_8h_html"><div class="ttname"><a href="../../d5/df5/fftools__objpool_8h.html">fftools_objpool.h</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a251ece02811fb8bd6385fbec33b6a8b4"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a251ece02811fb8bd6385fbec33b6a8b4">frame_ts</a></div><div class="ttdeci">static int64_t frame_ts(const SyncQueue *sq, SyncQueueFrame frame)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00089">fftools_sync_queue.c:89</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a3ebd18ffff189c6c8e0a3b0f857d8d74"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a3ebd18ffff189c6c8e0a3b0f857d8d74">sq_alloc</a></div><div class="ttdeci">SyncQueue * sq_alloc(enum SyncQueueType type, int64_t buf_size_us)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00419">fftools_sync_queue.c:419</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a4238cc98be178d1a35af01d3c21997c9"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a4238cc98be178d1a35af01d3c21997c9">queue_head_update</a></div><div class="ttdeci">static void queue_head_update(SyncQueue *sq)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00135">fftools_sync_queue.c:135</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a5e661314646fd1bb8fca507096f61787"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a5e661314646fd1bb8fca507096f61787">finish_stream</a></div><div class="ttdeci">static void finish_stream(SyncQueue *sq, unsigned int stream_idx)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00101">fftools_sync_queue.c:101</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a5f497d719d4fcd96a015b9994e831fbd"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a5f497d719d4fcd96a015b9994e831fbd">sq_send</a></div><div class="ttdeci">int sq_send(SyncQueue *sq, unsigned int stream_idx, SyncQueueFrame frame)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00248">fftools_sync_queue.c:248</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a6dec025ee79d08646d778de51776e1c0"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a6dec025ee79d08646d778de51776e1c0">receive_for_stream</a></div><div class="ttdeci">static int receive_for_stream(SyncQueue *sq, unsigned int stream_idx, SyncQueueFrame frame)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00291">fftools_sync_queue.c:291</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a722fd660cd1b213727e18cbf40dff35b"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a722fd660cd1b213727e18cbf40dff35b">sq_set_tb</a></div><div class="ttdeci">void sq_set_tb(SyncQueue *sq, unsigned int stream_idx, AVRational tb)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00392">fftools_sync_queue.c:392</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a808ad6ed0fb0d7f2e0e145a50376f470"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a808ad6ed0fb0d7f2e0e145a50376f470">stream_update_ts</a></div><div class="ttdeci">static void stream_update_ts(SyncQueue *sq, unsigned int stream_idx, int64_t ts)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00161">fftools_sync_queue.c:161</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a870f9c9e4d1ac364766fc8a2c732484f"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a870f9c9e4d1ac364766fc8a2c732484f">frame_null</a></div><div class="ttdeci">static int frame_null(const SyncQueue *sq, SyncQueueFrame frame)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00096">fftools_sync_queue.c:96</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_a94edf016e07e0f259e4b515d1f8fea57"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#a94edf016e07e0f259e4b515d1f8fea57">sq_limit_frames</a></div><div class="ttdeci">void sq_limit_frames(SyncQueue *sq, unsigned int stream_idx, uint64_t frames)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00407">fftools_sync_queue.c:407</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_aa6ea9cdf83d4914aa1dc8efaaac2a732"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#aa6ea9cdf83d4914aa1dc8efaaac2a732">sq_receive</a></div><div class="ttdeci">int sq_receive(SyncQueue *sq, int stream_idx, SyncQueueFrame frame)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00353">fftools_sync_queue.c:353</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_aa8de62308b26e4fdd23116f298d7f28d"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#aa8de62308b26e4fdd23116f298d7f28d">overflow_heartbeat</a></div><div class="ttdeci">static int overflow_heartbeat(SyncQueue *sq, int stream_idx)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00190">fftools_sync_queue.c:190</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_aaddc370144314c88f397d65246fa13c1"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#aaddc370144314c88f397d65246fa13c1">frame_move</a></div><div class="ttdeci">static void frame_move(const SyncQueue *sq, SyncQueueFrame dst, SyncQueueFrame src)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00080">fftools_sync_queue.c:80</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_ab4d019feeae8c6a3ce393901185e7707"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#ab4d019feeae8c6a3ce393901185e7707">receive_internal</a></div><div class="ttdeci">static int receive_internal(SyncQueue *sq, int stream_idx, SyncQueueFrame frame)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00329">fftools_sync_queue.c:329</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_acb4c2cb240da2d2880de0e2286c8ee5a"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#acb4c2cb240da2d2880de0e2286c8ee5a">sq_free</a></div><div class="ttdeci">void sq_free(SyncQueue **psq)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00442">fftools_sync_queue.c:442</a></div></div>
<div class="ttc" id="afftools__sync__queue_8c_html_ae3e36c041fbe68938e84e9b59d7d7c46"><div class="ttname"><a href="../../df/dbb/fftools__sync__queue_8c.html#ae3e36c041fbe68938e84e9b59d7d7c46">sq_add_stream</a></div><div class="ttdeci">int sq_add_stream(SyncQueue *sq, int limiting)</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00365">fftools_sync_queue.c:365</a></div></div>
<div class="ttc" id="afftools__sync__queue_8h_html"><div class="ttname"><a href="../../d6/d35/fftools__sync__queue_8h.html">fftools_sync_queue.h</a></div></div>
<div class="ttc" id="afftools__sync__queue_8h_html_a8ecdcf04d361bd531cc8d36a3b6213b3"><div class="ttname"><a href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3">SyncQueueType</a></div><div class="ttdeci">SyncQueueType</div><div class="ttdef"><b>Definition</b> <a href="../../d6/d35/fftools__sync__queue_8h_source.html#l00041">fftools_sync_queue.h:41</a></div></div>
<div class="ttc" id="afftools__sync__queue_8h_html_a8ecdcf04d361bd531cc8d36a3b6213b3a69345b74224b95dc2ec281949375055d"><div class="ttname"><a href="../../d6/d35/fftools__sync__queue_8h.html#a8ecdcf04d361bd531cc8d36a3b6213b3a69345b74224b95dc2ec281949375055d">SYNC_QUEUE_PACKETS</a></div><div class="ttdeci">@ SYNC_QUEUE_PACKETS</div><div class="ttdef"><b>Definition</b> <a href="../../d6/d35/fftools__sync__queue_8h_source.html#l00042">fftools_sync_queue.h:42</a></div></div>
<div class="ttc" id="astruct_obj_pool_html"><div class="ttname"><a href="../../d4/d62/struct_obj_pool.html">ObjPool</a></div><div class="ttdef"><b>Definition</b> <a href="../../d7/dd8/fftools__objpool_8c_source.html#l00044">fftools_objpool.c:44</a></div></div>
<div class="ttc" id="astruct_sync_queue_html"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html">SyncQueue</a></div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00059">fftools_sync_queue.c:59</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_a5733f48b0ec4a03e3de1a8029bdd44ed"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#a5733f48b0ec4a03e3de1a8029bdd44ed">SyncQueue::finished</a></div><div class="ttdeci">int finished</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00063">fftools_sync_queue.c:63</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_a94cc4e4e7042ff5a103d91005f44dc97"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#a94cc4e4e7042ff5a103d91005f44dc97">SyncQueue::streams</a></div><div class="ttdeci">SyncQueueStream * streams</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00073">fftools_sync_queue.c:73</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_a955459c81fb9f8e61c889b73955ed3a5"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#a955459c81fb9f8e61c889b73955ed3a5">SyncQueue::head_stream</a></div><div class="ttdeci">int head_stream</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00066">fftools_sync_queue.c:66</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_a9b015594410ac2faa91b148d7d4501b9"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#a9b015594410ac2faa91b148d7d4501b9">SyncQueue::type</a></div><div class="ttdeci">enum SyncQueueType type</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00060">fftools_sync_queue.c:60</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_aadf23023786eab9ab40f1f2182719167"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#aadf23023786eab9ab40f1f2182719167">SyncQueue::pool</a></div><div class="ttdeci">ObjPool * pool</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00077">fftools_sync_queue.c:77</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_ac4cb296973a28d7e2625724cddc42667"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#ac4cb296973a28d7e2625724cddc42667">SyncQueue::buf_size_us</a></div><div class="ttdeci">int64_t buf_size_us</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00071">fftools_sync_queue.c:71</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_aedb3e815e90b53a52cac23c172c704f4"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#aedb3e815e90b53a52cac23c172c704f4">SyncQueue::nb_streams</a></div><div class="ttdeci">unsigned int nb_streams</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00074">fftools_sync_queue.c:74</a></div></div>
<div class="ttc" id="astruct_sync_queue_html_afff43d090ee04704815e3187b6500a16"><div class="ttname"><a href="../../d9/d28/struct_sync_queue.html#afff43d090ee04704815e3187b6500a16">SyncQueue::head_finished_stream</a></div><div class="ttdeci">int head_finished_stream</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00068">fftools_sync_queue.c:68</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html">SyncQueueStream</a></div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00045">fftools_sync_queue.c:45</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_a215a25282f85265e765035089c7197f9"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#a215a25282f85265e765035089c7197f9">SyncQueueStream::tb</a></div><div class="ttdeci">AVRational tb</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00047">fftools_sync_queue.c:47</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_a24abe05decc9a6825a890be5cddcb740"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#a24abe05decc9a6825a890be5cddcb740">SyncQueueStream::limiting</a></div><div class="ttdeci">int limiting</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00051">fftools_sync_queue.c:51</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_a9780b2194bcb4f34802ad6c8119f4fe5"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#a9780b2194bcb4f34802ad6c8119f4fe5">SyncQueueStream::finished</a></div><div class="ttdeci">int finished</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00053">fftools_sync_queue.c:53</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_aa3aa5fc3137f9f222d45a0dcb5d031f8"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#aa3aa5fc3137f9f222d45a0dcb5d031f8">SyncQueueStream::fifo</a></div><div class="ttdeci">AVFifo * fifo</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00046">fftools_sync_queue.c:46</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_ab20fc7999548152df14069363152e431"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#ab20fc7999548152df14069363152e431">SyncQueueStream::frames_sent</a></div><div class="ttdeci">uint64_t frames_sent</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00055">fftools_sync_queue.c:55</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_ad2651b7a252f02dcb05098760d0b9a4e"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#ad2651b7a252f02dcb05098760d0b9a4e">SyncQueueStream::frames_max</a></div><div class="ttdeci">uint64_t frames_max</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00056">fftools_sync_queue.c:56</a></div></div>
<div class="ttc" id="astruct_sync_queue_stream_html_afa8c97ba87d308f5760f61c229a8fead"><div class="ttname"><a href="../../d2/d94/struct_sync_queue_stream.html#afa8c97ba87d308f5760f61c229a8fead">SyncQueueStream::head_ts</a></div><div class="ttdeci">int64_t head_ts</div><div class="ttdef"><b>Definition</b> <a href="../../df/dbb/fftools__sync__queue_8c_source.html#l00050">fftools_sync_queue.c:50</a></div></div>
<div class="ttc" id="aunion_sync_queue_frame_html"><div class="ttname"><a href="../../dc/df8/union_sync_queue_frame.html">SyncQueueFrame</a></div><div class="ttdef"><b>Definition</b> <a href="../../d6/d35/fftools__sync__queue_8h_source.html#l00046">fftools_sync_queue.h:46</a></div></div>
<div class="ttc" id="aunion_sync_queue_frame_html_a760fa08c314c05cb7455db8eb3823eb8"><div class="ttname"><a href="../../dc/df8/union_sync_queue_frame.html#a760fa08c314c05cb7455db8eb3823eb8">SyncQueueFrame::f</a></div><div class="ttdeci">AVFrame * f</div><div class="ttdef"><b>Definition</b> <a href="../../d6/d35/fftools__sync__queue_8h_source.html#l00047">fftools_sync_queue.h:47</a></div></div>
<div class="ttc" id="aunion_sync_queue_frame_html_adddf0753b505502215ea450eb58b807e"><div class="ttname"><a href="../../dc/df8/union_sync_queue_frame.html#adddf0753b505502215ea450eb58b807e">SyncQueueFrame::p</a></div><div class="ttdeci">AVPacket * p</div><div class="ttdef"><b>Definition</b> <a href="../../d6/d35/fftools__sync__queue_8h_source.html#l00048">fftools_sync_queue.h:48</a></div></div>
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